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Cheap flights from Phoenix Sky Harbor Intl Airport to Denver from £39

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — DEN
10 Mar — 17 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Denver Intl are usually found in February or October, booked 78 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Sky Harbor Intl to Denver

Enter your travel dates to find the best prices.

Cheapest flights from Sky Harbor Intl to Denver
Explore the most affordable flight options available from Sky Harbor Intl to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 February 2026.

Wed 4/316:27
PHX
-
DEN
1 stop7h 32m
Alaska Airlines
Tue 10/313:10
DEN
-
PHX
1 stop6h 22m
Alaska Airlines
Deal found 6/2£109
Sat 28/216:35
PHX
-
DEN
Nonstop1h 50m
United Airlines
Tue 3/316:05
DEN
-
PHX
Nonstop2h 09m
United Airlines
Deal found 6/2£117
Thu 5/316:27
PHX
-
DEN
1 stop7h 32m
Alaska Airlines
Tue 10/313:10
DEN
-
PHX
1 stop6h 22m
Alaska Airlines
Deal found 7/2£121
Tue 10/311:22
PHX
-
DEN
1 stop5h 26m
Alaska Airlines
Tue 24/318:20
DEN
-
PHX
1 stop6h 07m
Alaska Airlines
Deal found 6/2£123
Wed 4/312:28
PHX
-
DEN
1 stop5h 20m
Alaska Airlines
Sat 7/307:40
DEN
-
PHX
1 stop8h 05m
Alaska Airlines
Deal found 7/2£123
Sat 8/816:21
PHX
-
DEN
Nonstop1h 55m
United Airlines
Tue 18/821:00
DEN
-
PHX
Nonstop2h 06m
United Airlines
Deal found 8/2£124
Fri 6/316:12
PHX
-
DEN
1 stop7h 47m
Alaska Airlines
Tue 10/307:40
DEN
-
PHX
1 stop8h 05m
Alaska Airlines
Deal found 7/2£130
Tue 3/312:28
PHX
-
DEN
1 stop5h 20m
Alaska Airlines
Wed 11/318:45
DEN
-
PHX
1 stop4h 57m
Alaska Airlines
Deal found 7/2£131
Tue 3/306:55
PHX
-
DEN
1 stop5h 05m
Delta
Tue 3/318:12
DEN
-
PHX
1 stop5h 17m
Delta
Deal found 6/2£131
Sat 28/216:35
PHX
-
DEN
Nonstop1h 50m
United Airlines
Sat 7/319:15
DEN
-
PHX
Nonstop2h 06m
United Airlines
Deal found 5/2£134
Thu 5/312:28
PHX
-
DEN
1 stop5h 20m
Alaska Airlines
Sat 7/313:10
DEN
-
PHX
1 stop6h 22m
Alaska Airlines
Deal found 7/2£136

Find flight deals from Sky Harbor Intl to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 February 2026.

Round-trip from

£109

One-way from

£39

Popular in

June

Cheapest in

February

Average price

£79

Good one-way deal

£102 or less
Alaska Airlines
  • Alaska Airlines
  • 28/2-10/3
  • 2 total stops
  • 12h 29m total
  • Phoenix to Denver
Search Deals
United Airlines
  • United Airlines
  • 30/5
  • Nonstop
  • 1h 55m total
  • Phoenix to Denver
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Denver Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sky Harbor Intl to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 8 February 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Denver that are best for you.

Fly from

Sky Harbor Intl

Fly to

Denver

Route

Depart

Return

Price

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 28/2

16:27-23:59

1 stop7h 32m

Denver Intl

Tue 10/3

18:45-22:42

1 stop4h 57m

£109

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 4/3

16:27-23:59

1 stop7h 32m

Denver Intl

Tue 10/3

07:40-14:45

1 stop8h 05m

£109

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Fri 8/5

15:43-23:59

1 stop7h 16m

Denver Intl

Tue 12/5

13:02-18:26

1 stop6h 24m

£123

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 28/2

16:27-23:59

1 stop7h 32m

Denver Intl

Mon 9/3

13:10-18:32

1 stop6h 22m

£123

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 4/3

12:28-17:48

1 stop5h 20m

Denver Intl

Sat 7/3

07:40-15:45

1 stop8h 05m

£123

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Wed 4/3

16:27-23:59

1 stop7h 32m

Denver Intl

Mon 9/3

18:45-22:42

1 stop4h 57m

£123

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 28/2

16:27-23:59

1 stop7h 32m

Denver Intl

Sat 7/3

07:40-15:45

1 stop8h 05m

£123

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 3/3

16:27-23:59

1 stop7h 32m

Denver Intl

Mon 9/3

13:10-18:32

1 stop6h 22m

£123

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Sat 28/2

16:27-23:59

1 stop7h 32m

Denver Intl

Wed 11/3

18:45-22:42

1 stop4h 57m

£131

PhoenixDenver

PHX - DEN

PHXDEN

Phoenix Sky Harbor Intl

Tue 31/3

06:00-11:33

1 stop4h 33m

Denver Intl

Tue 31/3

18:10-22:10

1 stop5h 00m

£131

Flights are sorted by cheapest return flights first.

Deals found on 7/2

Showing 1-10 of 23 results
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Best time to book a flight from Sky Harbor Intl to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Sky Harbor Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Denver

How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Denver?

Use this chart to determine the optimal time to book a return flight from Sky Harbor Intl to Denver. Price data was last updated on 30 January 2026.

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Denver, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Denver?

Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Denver (average of £41). Flying from Phoenix Sky Harbor Intl Airport to Denver in July is currently the most expensive (average of £75). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PHX to DEN?

Find hourly flight availability from Sky Harbor Intl to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 February 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 83% on flights from Phoenix Sky Harbor Intl Airport to Denver by exploring options for tickets in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Denver from Phoenix Sky Harbor Intl?

    For a flight from Phoenix Sky Harbor Intl to Denver, you will be flying into Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city. Denver Intl is the only Denver airport and it handles 22 inbound flights from Phoenix Sky Harbor Intl per day. 0 airlines have flights to Denver Intl from Phoenix Sky Harbor Intl on a regular basis.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Denver?

    There are many flights that can get you from Phoenix Sky Harbor Intl Airport to Denver in 7h 32m. Fly via Alaska Airlines to get the fastest option. The distance between Phoenix Sky Harbor Intl Airport and Denver is about 601 mi.

  • What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Denver?

    Consider Air Canada (90%), United Airlines (90%) or Lufthansa (86%) when booking your flight. These represent the most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Denver.

  • What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Denver?

    While on average a flight from Phoenix Sky Harbor Intl Airport to Denver is generally £104, our data shows the cheapest flight currently is £101. When looking at the most popular route, (Phoenix Sky Harbor Intl - Denver Intl), you can expect to pay £119 for that flight.

  • Can I find deals for flights from Sky Harbor Intl to Denver that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Denver flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Denver.

  • Can I find deals for business class flights from Sky Harbor Intl to Denver?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Denver?

    Currently, February is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Denver (average of £41). Flying from Phoenix Sky Harbor Intl Airport to Denver in July is currently the most expensive (average of £75). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets from Sky Harbor Intl to Denver?

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Can Cheapflights find flights from Sky Harbor Intl to Denver with no change fees?

Yes, we can. To see specific flights from Sky Harbor Intl to Denver with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Sky Harbor Intl to Denver become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Denver from Sky Harbor Intl today and book when prices fit your budget.

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